MDL METHODS: Consecutive outpatients undergoing colonoscopy were asked for permission to be called 30 days after their procedure. A standard telephone interview was developed to assess the occurrence of (i) major adverse events (hospital visit required), (ii) minor adverse events, and (iii) days missed from work. Adverse events were further categorized in definite-, possible-, and unrelated adverse events. Patients were contacted between January 2010 and September 2010. RESULTS: Out of a total of 1,528 patients who underwent colonoscopy and gave permission for a telephone call, 1,144 patients were contacted (response: 75%), 49% were male, the mean age was 59 years (s.d.: 14). Thirty-four patients (3%) reported major adverse events. These were definite-related in nine (1%) patients, possible-related in 6 (1%), and unrelated in 19 patients (2%). Minor adverse events were reported by 466 patients (41%). These were definite-related in 336 patients (29%), possible-related in 36 (3%), and unrelated in the remaining 94 patients (8%). Female gender (odds ratio (OR): 1.5), age <50 years (OR: 1.5), colonoscopy for colorectal cancer screening/surveillance (OR: 1.6), and fellow-endoscopy (OR: 1.7) were risk factors for the occurrence of any definite-related adverse event. Patients who reported definite-related adverse events were significantly less often willing to return for colonoscopy (81 vs. 88%, P<0.01) and were less often positive about the entire colonoscopy experience (84 vs. 89%, P=0.04). CONCLUSIONS: Structured assessment of post-colonoscopy adverse events shows that these are more common than generally reported. Close to one-third of patients report definite-related adverse events, which are major in close to 1 in 100 patients. The occurrence of adverse events does have an impact on the willingness to return for colonoscopy. Awareness of surveillance recommendations among patients with colorectal adenomas. Sint Nicolaas J, de Jonge V, Cahen DL, Ouwendijk RJ, Tang TJ, van Tilburg AJP, van Leerdam ME, Kuipers EJ; SCoPE Consortium. Clin Gastroenterol Hepatol. 2012 Apr;10(4):405-11. PMID: 22155559. BACKGROUND 64 AIMS: The efficacy of colorectal cancer screening programs depends on the rate of attendance at surveillance colonoscopy examinations. Increasing patients’ awareness about the importance of surveillance might improve attendance, but it is not clear how much they know about their follow-up recommendations. We assessed the awareness of patients with adenomas about their surveillance recommendations. METHODS: Ten endoscopy departments provided access to their colonoscopy database for quality assurance; 2 datasets were obtained. We analyzed data from 4000 colonoscopies (400 per department) performed on patients with adenomas. All the patients were mailed a survey to determine how much information they had about their colonoscopy results and their follow-up recommendations. Data from 549 patients were included in the analysis. We also assessed surveillance attendance among 500 patients (50 per department) who had adenomas removed. RESULTS: Of the patients analyzed, 85% recalled retrieval of polyps during their colonoscopy, and 85% recalled whether they needed surveillance or not. The indication for surveillance was recalled by 69% of patients (range between departments, 55%-83%; P < .01). Factors that were associated with awareness of recommendations were younger age (odds ratio [OR], 1.06; 95% confidence interval [CI], 1.06-1.09), treatment by a WETENSCHAPPELIJK jaarverslag 2012 Pagina 63
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